panic: Stack for running G's are skipped while panicking.
Sentry detected 1 stuck task(s):
	Task tid: 3326 (0xcfe), entered RunSys state 3m8.6s ago.
Search for '(*Task).run(0x..., 0x<tid>)' in the stack dump to find the offending goroutine

goroutine 147 [running]:
DIAGNOSIS:
I0205 12:13:34.058636   64191 log.go:209] ***************************
I0205 12:13:34.058722   64191 log.go:209] Args: [/syzkaller/managers/kvm-proxy-overlay-sandbox/current/image -root /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=kvm -file-access=exclusive -overlay -network=sandbox debug -stacks --ps ci-gvisor-kvm-proxy-overlay-sandbox-3]
I0205 12:13:34.058770   64191 log.go:209] Version release-20200127.0-51-g02997af5abd6
I0205 12:13:34.058806   64191 log.go:209] PID: 64191
I0205 12:13:34.058819   64191 log.go:209] UID: 0, GID: 0
I0205 12:13:34.058828   64191 log.go:209] Configuration:
I0205 12:13:34.058841   64191 log.go:209] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root
I0205 12:13:34.058850   64191 log.go:209] 		Platform: kvm
I0205 12:13:34.058863   64191 log.go:209] 		FileAccess: exclusive, overlay: true
I0205 12:13:34.058888   64191 log.go:209] 		Network: sandbox, logging: false
I0205 12:13:34.060250   64191 log.go:209] 		Strace: false, max size: 1024, syscalls: []
I0205 12:13:34.060267   64191 log.go:209] ***************************
D0205 12:13:34.068393   64191 log.go:202] Load container "/syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0205 12:13:34.112960   64191 log.go:202] Signal container "ci-gvisor-kvm-proxy-overlay-sandbox-3": signal 0
D0205 12:13:34.113091   64191 log.go:202] Signal sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0205 12:13:34.116495   64191 log.go:202] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0205 12:13:34.118361   64191 log.go:202] urpc: successfully marshalled 117 bytes.
I0205 12:13:34.577686   64191 log.go:209] Found sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3", PID: 21833
I0205 12:13:34.577743   64191 log.go:209] Retrieving sandbox stacks
D0205 12:13:34.578551   64191 log.go:202] Stacks sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0205 12:13:34.578592   64191 log.go:202] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
W0205 12:13:34.578674   64191 log.go:216] FATAL ERROR: retrieving stacks: connecting to control server at PID 21833: connection refused
retrieving stacks: connecting to control server at PID 21833: connection refused
W0205 12:13:34.578786   64191 log.go:216] Failure to execute command, err: 1